Mark Rentzke joins Interxion Ireland as operations manager, where he will assume responsibility for managing Interxion’s industry-leading data centre facilities, infrastructure and IT services. Rentzke brings with him a wealth of experience in the areas of service delivery management and infrastructure/operational management. Prior to joining Interxion, Rentzke was employed for four years at Internet Solutions (a division of the Dimension Data group of companies) in South Africa as a senior service delivery manager for Strategic Accounts. While there, he was instrumental in improving the customer service focus and implementing new hosting facilities.